Man pages matching name tap::formatter::file::session in section 3pm:

TAP::Formatter::File::Session.3pm.en	debian 10 / libtest-harness-perl
TAP::Formatter::File::Session.3pm.en	debian 11 / libtest-harness-perl
TAP::Formatter::File::Session.3pm.en	debian 12 / libtest-harness-perl